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Subjects
Mathematics State Board
Class 7
Measurements
Area of a circle
7.
Determine the radius and diameter
Exercise condition:
4
m.
Answer variants:
27.4
24.9
54.8
47.4
49.8
23.7
If the area of the
wheel
is
1949
cm
2
. Then
determine
the radius and diameter of the
wheel
. [
use
π
\(=\)\(22\)/\(7\)]
i)
Radius of the
wheel
\(=\)
\(cm\)
ii)
Diameter of the
wheel
\(=\)
\(cm\)
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